From 80e6ea86a0039f05f7c161b9b88974e0fb49ca14 Mon Sep 17 00:00:00 2001
From: Alain Magloire <alain@qnx.com>
Date: Wed, 30 Apr 2003 16:06:10 +0000
Subject: [PATCH] new method parseListTasks();.

---
 .../cdt/internal/core/win32/ProcessList.java  | 110 ++++++++++++++----
 1 file changed, 85 insertions(+), 25 deletions(-)

diff --git a/core/org.eclipse.cdt.core.win32/src/org/eclipse/cdt/internal/core/win32/ProcessList.java b/core/org.eclipse.cdt.core.win32/src/org/eclipse/cdt/internal/core/win32/ProcessList.java
index 6b98519c648..4dff5ec3c9e 100644
--- a/core/org.eclipse.cdt.core.win32/src/org/eclipse/cdt/internal/core/win32/ProcessList.java
+++ b/core/org.eclipse.cdt.core.win32/src/org/eclipse/cdt/internal/core/win32/ProcessList.java
@@ -1,14 +1,22 @@
 package org.eclipse.cdt.internal.core.win32;
 
+import java.io.BufferedReader;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.StreamTokenizer;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 
+import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.IProcessInfo;
 import org.eclipse.cdt.core.IProcessList;
 import org.eclipse.cdt.utils.spawner.ProcessFactory;
+import org.eclipse.core.runtime.IPluginDescriptor;
+import org.eclipse.core.runtime.model.PluginDescriptorModel;
+import org.eclipse.core.runtime.model.PluginFragmentModel;
 
 /*
  * Currently this will only work for Windows XP since tasklist
@@ -16,31 +24,61 @@ import org.eclipse.cdt.utils.spawner.ProcessFactory;
  * call out to get the list since the source to 'tlist' is
  * on the msdn web site but that can be done later.
  */
- 
+
 public class ProcessList implements IProcessList {
 
+	private IProcessInfo[] NOPROCESS = new IProcessInfo[0];
 	private final int NAME = 1;
 	private final int PID = 2;
 	private final int OTHER = 3;
-		
+
 	public IProcessInfo[] getProcessList() {
 		String OS = System.getProperty("os.name").toLowerCase();
 		Process p = null;
 		String command = null;
-		InputStream	in = null;
+		InputStream in = null;
 		if ((OS.indexOf("windows xp") > -1)) {
 			command = "tasklist /fo csv /nh  /svc";
+			try {
+				p = ProcessFactory.getFactory().exec(command);
+				in = p.getInputStream();
+				InputStreamReader reader = new InputStreamReader(in);
+				return parseTaskList(reader);
+			} catch (IOException e) {
+			}
 		} else {
-			return new IProcessInfo[0];
+			IPluginDescriptor desc = CCorePlugin.getDefault().getDescriptor();
+			if (desc instanceof PluginDescriptorModel) {
+				PluginDescriptorModel model = (PluginDescriptorModel) desc;
+				PluginFragmentModel[] fragments = model.getFragments();
+				for (int i = 0; i < fragments.length; i++) {
+					String location = fragments[i].getLocation();
+					try {
+						URL url = new URL(location);
+						File path = new File(url.getFile(), "listtasks");
+						if (path.exists()) {
+							command = path.getCanonicalPath();
+							break;
+						}
+					} catch (MalformedURLException e1) {
+					} catch (IOException e) {
+					}
+				}
+			}
+			if (command != null) {
+				try {
+					p = ProcessFactory.getFactory().exec(command);
+					in = p.getInputStream();
+					InputStreamReader reader = new InputStreamReader(in);
+					return parseListTasks(reader);
+				} catch (IOException e) {
+				}
+			}
 		}
-		try {
-			p = ProcessFactory.getFactory().exec(command);
-		}
-		catch (IOException e) {
-			return null;
-		}
-		in = p .getInputStream();
-		InputStreamReader reader = new InputStreamReader(in);
+		return NOPROCESS;
+	}
+
+	public IProcessInfo[] parseTaskList(InputStreamReader reader) {
 		StreamTokenizer tokenizer = new StreamTokenizer(reader);
 		tokenizer.eolIsSignificant(true);
 		tokenizer.parseNumbers();
@@ -48,42 +86,64 @@ public class ProcessList implements IProcessList {
 		ArrayList processList = new ArrayList();
 		String name = null;
 		int pid = 0, token_state = NAME;
-		while( !done ) {
+		while (!done) {
 			try {
-				switch ( tokenizer.nextToken() ) {
-					case StreamTokenizer.TT_EOL:
-						if ( name != null ) {
+				switch (tokenizer.nextToken()) {
+					case StreamTokenizer.TT_EOL :
+						if (name != null) {
 							processList.add(new ProcessInfo(pid, name));
 							name = null;
 						}
 						break;
-					case StreamTokenizer.TT_EOF:
+					case StreamTokenizer.TT_EOF :
 						done = true;
 						break;
-					case '"':
-						switch ( token_state ) {
-							case NAME:
+					case '"' :
+						switch (token_state) {
+							case NAME :
 								name = tokenizer.sval;
 								token_state = PID;
 								break;
-							case PID:
+							case PID :
 								try {
 									pid = Integer.parseInt(tokenizer.sval);
-								} catch (NumberFormatException e ) {
+								} catch (NumberFormatException e) {
 									name = null;
 								}
 								token_state = OTHER;
 								break;
-							case OTHER:
+							case OTHER :
 								token_state = NAME;
 								break;
 						}
 						break;
 				}
+			} catch (IOException e) {
 			}
-			catch (IOException e) {
+		}
+		return (IProcessInfo[]) processList.toArray(new IProcessInfo[processList.size()]);
+	}
+
+	public IProcessInfo[] parseListTasks(InputStreamReader reader) {
+		BufferedReader br = new BufferedReader(reader);
+		ArrayList processList = new ArrayList();
+		try {
+			String line;
+			while ((line = br.readLine()) != null) {
+				int tab = line.indexOf('\t');
+				if (tab != -1) {
+					String proc = line.substring(0, tab).trim();
+					String name = line.substring(tab).trim();
+					try {
+						int pid = Integer.parseInt(proc);
+						processList.add(new ProcessInfo(pid, name));
+					} catch (NumberFormatException e) {
+						name = null;
+					}
+				}
 			}
-		}						
+		} catch (IOException e) {
+		}
 		return (IProcessInfo[]) processList.toArray(new IProcessInfo[processList.size()]);
 	}
 }